Nature of Operations, Summary (Details) - Subsequent Event [Member]	Mar. 09, 2026 Patent
U.S. [Member]
Nature of Operations [Abstract]
Number of patents held	14
Number of pending patent applications	7
Foreign [Member]
Nature of Operations [Abstract]
Number of patents held	79
Number of pending patent applications	35

The number of pending patent applications held by the entity.

No definition available.

Name:	pdsb_NumberOfPendingPatentApplications
Namespace Prefix:	pdsb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant